54745-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54745-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,4 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 54745-22:
(7*5)+(6*4)+(5*7)+(4*4)+(3*5)+(2*2)+(1*2)=131
131 % 10 = 1
So 54745-22-1 is a valid CAS Registry Number.